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Finding the Fourth Proportional to 60,048.12, 90,050.58 and 20,595

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Solution

The fourth proportional to 60,048.12, 90,050.58 and 20,595 is: 30,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,048.12 : 90,050.58 = 20,595 : x
  2. Step 2: Convert to fraction form
    60,048.12/90,050.58 = 20,595/x
  3. Step 3: Cross multiply
    60,048.12x = 90,050.58 × 20,595
  4. Step 4: Simplify right side
    60,048.12x = 1,854,591,695.10
  5. Step 5: Solve for x
    x = 1,854,591,695.10/60,048.12
  6. Step 6: Final answer
    x = 30,885.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.